Display device and method of fabricating the same

Abstract

A method of manufacturing a display device includes forming a first light-emitting area on a substrate, and forming a first color adjustment pattern on the first light-emitting area by emitting first light from the first light-emitting area, wherein the first light-emitting area includes a first semiconductor layer, a second semiconductor layer provided on the first semiconductor layer, a first active layer arranged between the first semiconductor layer and the second semiconductor layer, a first contact electrically connecting the substrate and the first semiconductor layer, and a first preliminary common electrode electrically connected to the second semiconductor layer.

What is claimed is: 
     
       1. A display device comprising:
 a support substrate; 
 a first light-emitting area on the support substrate, the first light-emitting area comprising: 
 a first semiconductor layer provided on the support substrate; 
 an active layer provided on the first semiconductor layer of the first light-emitting area; 
 a second semiconductor layer provided on the active layer of the first light-emitting area; 
 a first contact electrically connecting the support substrate and the first semiconductor layer of the first light-emitting area; 
 a first common electrode provided on the second semiconductor layer of the first light-emitting area, the first common electrode being configured to be electrically connected to the second semiconductor layer of the first light-emitting area; and 
 a first color adjustment pattern formed on the first light-emitting area, 
 wherein the active layer is provided on a first surface of the second semiconductor layer and the first common electrode is provided on a second surface of the second semiconductor layer opposite to the first surface of the second semiconductor layer. 
 
     
     
       2. The display device of  claim 1 , further comprising:
 a reflective electrode provided between the first light-emitting area and the contact, 
 wherein the reflective electrode reflects light which is generated in the active layer and emitted towards lower portions of the first light-emitting area. 
 
     
     
       3. The display device of  claim 1 , further comprising a light extraction pattern which is provided on the first light-emitting area. 
     
     
       4. The display device of  claim 1 ,
 wherein the first common electrode extends along a first direction that is parallel to an upper surface of the support substrate, and 
 the first light-emitting area and the first common electrode overlap each other along a second direction perpendicular to the upper surface of the support substrate. 
 
     
     
       5. The display device of  claim 1 ,
 wherein the first common electrode has an opening exposing the first light-emitting area. 
 
     
     
       6. The display device of  claim 1 , further comprising:
 a second light-emitting area on the support substrate, the second light-emitting area comprising: 
 the first semiconductor layer provided on the support substrate; 
 the active layer provided on the first semiconductor layer of the second light-emitting area; 
 the second semiconductor layer provided on the active layer of the second light-emitting area; 
 a second contact electrically connecting the support substrate and the first semiconductor layer of the second light-emitting area; 
 a second common electrode provided on the second semiconductor layer of the second light-emitting area, the second common electrode being configured to be electrically connected to the second semiconductor layer of the second light-emitting area; and 
 a second color adjustment pattern formed on the second light-emitting area. 
 
     
     
       7. The display device of  claim 6 , further comprising:
 a third light-emitting area on the support substrate, the third light-emitting area comprising: 
 the first semiconductor layer provided on the support substrate; 
 the active layer provided on the first semiconductor layer of the third light-emitting area; 
 the second semiconductor layer provided on the active layer of the third light-emitting area; 
 a third contact electrically connecting the support substrate and the first semiconductor layer of the third light-emitting area; and 
 a dummy common electrode provided on the second semiconductor layer of the third light-emitting area, wherein no voltage is applied to the dummy common electrode. 
 
     
     
       8. The display device of  claim 6 , further comprising:
 a third light-emitting area on the support substrate, the third light-emitting area comprising: 
 the first semiconductor layer provided on the support substrate; 
 the active layer provided on the first semiconductor layer of the third light-emitting area; 
 the second semiconductor layer provided on the active layer of the third light-emitting area; 
 a third contact electrically connecting the support substrate and the first semiconductor layer of the third light-emitting area; 
 a third common electrode provided on the second semiconductor layer of the third light-emitting area, the second common electrode being configured to be electrically connected to the second semiconductor layer of the third light-emitting area; and 
 a third color adjustment pattern formed on the third light-emitting area. 
 
     
     
       9. The display device of  claim 6 , further comprising:
 a third light-emitting area on the support substrate, 
 a first driving transistor provided between the support substrate and the first light-emitting area; 
 a second driving transistor provided between the support substrate and the second light-emitting area; and 
 a third driving transistor provided between the support substrate and the third light-emitting area, 
 wherein the first light-emitting area, the second light-emitting area, and the third light-emitting area are provided on a first layer above the first to third driving transistors, 
 wherein the first common electrode and the second common electrode are provided on a second layer above the first and second light-emitting areas, and 
 wherein the first color adjustment pattern and the second color adjustment pattern are provided on a third layer above the first and second common electrodes. 
 
     
     
       10. The display device of  claim 1 , wherein the first common electrode and a second common electrode of a second light emitting area are commonly connected to a power source to receive a same voltage when the display device is driven. 
     
     
       11. The display device of  claim 1 , wherein the first common electrode and the second common electrode are commonly connected to a power source to receive a same voltage when the display device is driven. 
     
     
       12. The display device of  claim 1 , wherein the support substrate is directly bonded to the first contact. 
     
     
       13. The display device of  claim 1 , further comprising:
 a bonding layer between the support substrate and the first contact, 
 wherein the support substrate and the first contact are bonded to each other by the bonding layer. 
 
     
     
       14. The display device of  claim 1 , wherein the first color adjustment pattern comprises:
 a first color adjustment material layer on the active layer, the first color adjustment material layer being cured by emitting first light into the first color adjustment material layer. 
 
     
     
       15. The display device of  claim 1 , further comprising:
 a first light extraction pattern on an upper surface of the second semiconductor layer. 
 
     
     
       16. The display device of  claim 1 , further comprising:
 a light-absorbing partition wall between the first color adjustment pattern and the second color adjustment pattern. 
 
     
     
       17. The display device of  claim 1 , further comprising:
 an insulating partition wall between the first color adjustment pattern and the second color adjustment pattern; 
 a first reflective film between the insulating partition wall and the first color adjustment pattern; and 
 a second reflective film between the insulating partition wall and the second color adjustment pattern, 
 wherein the insulating partition wall has a light-transmitting property. 
 
     
     
       18. The display device of  claim 1 , wherein a width of the insulating partition wall decreases in a second direction perpendicular to the upper surface of the support substrate, and
 wherein the width of the insulating partition wall is a size of the insulating partition wall along the first direction.